OPC DA Section 4 Visualization and Data Access
42 2PAA107563-600 B
OPC DA
OPC DA facilitates History Data transfer from History Embedded Data Collector
Node to History Server. RealTime History - Opc DA Server is the service
responsible for transferring real time data and object path from History Embedded
Data Collector Node to History server and representing it in OPC Client.
Figure 17 shows the existence of the History OPC DA Server. The DA Server is
available in both History Embedded Data Collector Node as well as the History
Server Node.
Figure 17. Data From History Embedded Data Collector Node To History Server
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